phiegeeless

Not worked, as you can see, have I made mistake? see code below
#content img {
margin: 0;
height: auto;
max-width: 940px;
width: auto;

}
#content .attachment img {
max-width: 900px;
}
#content .alignright,
#content img.alignright {
padding: 4px;
margin: 0 0 2px 7px;
display: inline;
border: 0px;
}
#content .alignleft,
#content img.alignleft {
padding: 4px;
margin: 0 7px 2px 0;
display: inline;
border: 0px;
}
#content .aligncenter,
#content img.centered {
display: block;
margin-left: auto;
margin-right: auto;
border: 0px;
}
#content img.alignleft {
float: left;
}
#content img.alignright {
float: right;
}
#content img.aligncenter {
margin-bottom: 12px;